Home / 1,012,730.64-1,518,628.40-372,873.68

Finding the Fourth Proportional to 1,012,730.64, 1,518,628.40 and 372,873.68

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Solution

The fourth proportional to 1,012,730.64, 1,518,628.40 and 372,873.68 is: 559,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,730.64 : 1,518,628.40 = 372,873.68 : x
  2. Step 2: Convert to fraction form
    1,012,730.64/1,518,628.40 = 372,873.68/x
  3. Step 3: Cross multiply
    1,012,730.64x = 1,518,628.40 × 372,873.68
  4. Step 4: Simplify right side
    1,012,730.64x = 566,256,560,060.51
  5. Step 5: Solve for x
    x = 566,256,560,060.51/1,012,730.64
  6. Step 6: Final answer
    x = 559,138.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.